| Re: new project, filtration advice please. lighting is another issue, penetration to the bottom would be impossible.
gas exchange would be an issue [small surface area vs. volume] might create an anoxic zone at the bottom of a 8ftr. leading to an impossible to clean black gooey mess of a sand bed....but still...would sure be neat to see 
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...and when I'm old and wise
little things mean little to me
like autumn winds they'll blow right through me
and someday, in the mist of time
when they ask you if you knew me
remember that you were a friend of mine
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